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photoshop1234 [79]
3 years ago
6

Last year there were 48 science projects submitted by students at a science fair. This year there are 52 science projects.

Mathematics
1 answer:
Lapatulllka [165]3 years ago
4 0

Answer:

52 - 48 = 4

Around 7%

(Please tell me if this is wrong)

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Find z for the following proportion:<br><br><br> z/9= 2/3
serg [7]
Cross multiplication will help find the value of x 
\frac{z}{9} = \frac{2}{3} &#10;&#10;&#10;
9*2=18 
3*z=3z 

Now we have :
3z=18 
Divide both sides by 3 to isolate z 

Final answer: z=6
4 0
3 years ago
Please help, question is above in picture
Serhud [2]
-3.5 * 2 = -7
-3.5 * 3n = 10.5n

So there is (-7 - 10.5n) -2.5n

Now combine like terms
10.5n - 2.5n = 8n

ANSWER = -7 + 8n
4 0
3 years ago
Determine the value of y is x is -10:<br> y=x-91+2
cestrela7 [59]

Answer:

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3 0
3 years ago
Find the product. Simplify your answer.
statuscvo [17]

Answer:

1/5

Step-by-step explanation:

Factor x² - 5x - 6

x² - 5x - 6 = (x + 1)(x - 6)

\frac{x-6}{(x+1)(x-6)}

Cancel the common factor.

\frac{1}{x+1}

\frac{1}{x+1} · \frac{x+1}{5}

\frac{1*(x+1)}{5*(x+1)}

Cancel the common factor.

1/5

7 0
3 years ago
Read 2 more answers
Please help 2=*255/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="93a5a6aad3bea6a6a5a6a5a3aa">[email&#
leva [86]
The answer is 45 grace
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3 years ago
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